Title : Multiscale Simulations Examining Glycan Shield Effects on Drug Binding to Influenza Neuraminidase.

Pub. Date : 2020 Dec 1

PMID : 33130120






8 Functional Relationships(s)
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1 Multiscale simulations examining glycan shield effects on drug binding to influenza neuraminidase. Polysaccharides neuraminidase 1 Homo sapiens
2 Glycans are present on neuraminidase, and are generally considered to inhibit antibody binding via their glycan shield. Polysaccharides neuraminidase 1 Homo sapiens
3 In this work we studied the effect of glycans on the binding kinetics of antiviral drugs to the influenza neuraminidase. Polysaccharides neuraminidase 1 Homo sapiens
4 We created all-atom in silico systems of influenza neuraminidase with experimentally-derived glycoprofiles consisting of four systems with different glycan conformations and one system without glycans. Polysaccharides neuraminidase 1 Homo sapiens
5 We created all-atom in silico systems of influenza neuraminidase with experimentally-derived glycoprofiles consisting of four systems with different glycan conformations and one system without glycans. Polysaccharides neuraminidase 1 Homo sapiens
6 Using Brownian dynamics simulations, we observe a two- to eight-fold decrease in the rate of ligand binding to the primary binding site of neuraminidase due to the presence of glycans. Polysaccharides neuraminidase 1 Homo sapiens
7 These glycans are capable of covering much of the surface area of neuraminidase, and the ligand binding inhibition is derived from glycans sterically occluding the primary binding site on a neighboring monomer. Polysaccharides neuraminidase 1 Homo sapiens
8 These results help illuminate the complex interplay between glycans and ligand binding on the influenza membrane protein neuraminidase. Polysaccharides neuraminidase 1 Homo sapiens